resources: Add timeout to the HTTP request in Get

Workaround for golang/go#49366

Author: bep

resources/resource_factories/create/create.go

@@ -18,6 +18,7 @@ package create
 import (
 	"bufio"
 	"bytes"
+	"context"
 	"fmt"
 	"io"
 	"io/ioutil"
@@ -180,6 +181,14 @@ func (c *Client) FromRemote(uri string, options map[string]interface{}) (resourc
 			}
 			addUserProvidedHeaders(headers, req)
 		}
+
+		// Workaround for https://github.com/golang/go/issues/49366
+		// This is the entire lifetime of the request.
+		ctx, cancel := context.WithTimeout(req.Context(), 30*time.Second)
+		defer cancel()
+
+		req = req.WithContext(ctx)
+
 		res, err := c.httpClient.Do(req)
 		if err != nil {
 			return nil, err